Systems and Electricity

Conventional current flow from ......................... terminal to ......................... terminal.

• Positive, negative
• negative positive 
• positive, positive 
• negative, negative

Electron flow from ......................... terminal to ......................... terminal.

• Positive, negative
• negative positive 
• positive, positive 
• negative, negative

What is the S.I unit for current?

• Ampere (A)
• Volt (V)
• Ohm (Ω)

Tags

NGSS.HS-PS3-5

Which of the following is used to measure current?

• Ammeter 
• Voltmeter 

Ammeter must be connected in ...................... to the component.

• Series
• Parallel 

What is the S.I unit for potential difference?

• Ampere (A)
• Volt (V)
• Ohm (Ω)

Which of the following is used to measure potential difference?

• Ammeter 
• Voltmeter 

Voltmeter must be connected in ...................... to the component.

• Series
• Parallel 

What is the S.I unit for resistance?

• Ampere (A)
• Volt (V)
• Ohm (Ω)

Which of the following statements is false?

• Electrons flow from the negative to the positive terminal of a cell.

• An ammeter is connected in series to the electrical component.

• The current will decrease after it passes through a bulb and lights the bulb up.